Titlebook: Recovery in Parallel Database Systems; Svein-Olaf Hvasshovd Textbook 19961st edition Springer Fachmedien Wiesbaden 1996 Computer.Datenbank

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GONG

Spinal-Tap

The Block Oriented ApproachThis chapter presents the .. A block oriented recovery approach is applied if concurrency control and recovery is done at the block datamodel level, i.e. blocks are the units of locking and logging.

Resistance

The Record Oriented ApproachThis chapter presents and classifies recovery methods using . related to the . (see section A.6) combined with concurrency control based on . (see section A.9) and the non-atomic . block propagation policy (see section 4.5).

FLAT

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The HypRa DBMS Server Software DesignA HypRa DBMS server is organised as a . utilising the particular attributes of the HypRa internode communication network (see sections A.2 and 9.6). The services provided by the HypRa DBMS server are according to the ISO-SQL standard ([ISO89]). The distributed HypRa DBMS is organised as a server group with a . at each HypRa node.

Buttress

homeostasis

The Log Distribution StrategyThis chapter presents the log distribution strategy. The log distribution strategy determines how the log is fragmented, replicated, and allocated to nodes. It also determines the log record identification policies and the tuple identification policy.

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The Neighbour Write-Ahead Logging StrategyThis chapter presents the neighbour write-ahead logging (.) strategy. The nWAL strategy determines how stable log storage can be obtained by logging in the main memory of nodes located in different disaster units.